A high quality Dobsonian telescope with parabolic optics with 300 mm aperture. GSO Dobsonians have mirrors in the upper quality range and convince with a low price. This telescope is ideal for deep sky observation.
The largest Dobsonian from GSO with a full tube. You need a station wagon or delivery van for transport. but a 300 mm aperture already offers unforgettable observation experiences. Nebulae and galaxies are already shown with details that are more reminiscent of astrophotography.
♦ High quality parabolic optics with 300 mm aperture and 1500 mm focal length.
♦ 94% mirror coating for a brighter, high-contrast image.
♦ Exact 2 “-Crayford focuser for precise focusing – with reduction to 1.25”.
♦ Stable metal tube and adjustable mirror mounts for optimal imaging even after many years.
♦ Good expandability even for astrophotography.
♦ Active main mirror ventilation accelerates the temperature adjustment of the telescope.
Optics : Parabolic primary mirror made of BK7 Opening : 300 mm – 12 “ Focal length : 1500 mm Focal ratio : f / 5 Secondary mirror diameter : 70 mm Shadowing by the secondary mirror : 23.3% linear Adjustment aid : Center mark on the main mirror Focuser : 2 “-Crayford pull-out with ring clamp and adapter to 1.25” Tube : Metal tube with reinforcement rings Tube length : 1450 mm Tube diameter : 356 mm Tube weight : 19.5 kg Rockerbox weight : 13.2 kg Rockerbox dimensions : Height 640 mm / diameter 635 mm Storage : Height with spring preload / azimuth with ball bearings
In The Box :
♦ GSO Dobsonian telescope
♦ Rockerbox – azimuthal mount
♦ Fan with battery holder
♦ 8×50 viewfinder with achromatic optics
♦ 25 mm 1.25 “Super Plössl eyepiece
♦ 35mm 2” extension
♦ Adjustment instructions and assembly instructions
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